DE774049T1 - Schaufel für einen turbinenrotor und mittel zur positionierung von dämpfelementen - Google Patents

Schaufel für einen turbinenrotor und mittel zur positionierung von dämpfelementen

Info

Publication number
DE774049T1
DE774049T1 DE0774049T DE94901542T DE774049T1 DE 774049 T1 DE774049 T1 DE 774049T1 DE 0774049 T DE0774049 T DE 0774049T DE 94901542 T DE94901542 T DE 94901542T DE 774049 T1 DE774049 T1 DE 774049T1
Authority
DE
Germany
Prior art keywords
platform
damper
neck
blade
radially
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE0774049T
Other languages
German (de)
English (en)
Inventor
Wieslaw Chlus
David Houston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RTX Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of DE774049T1 publication Critical patent/DE774049T1/de
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE0774049T 1992-11-24 1993-11-12 Schaufel für einen turbinenrotor und mittel zur positionierung von dämpfelementen Pending DE774049T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/980,848 US5284421A (en) 1992-11-24 1992-11-24 Rotor blade with platform support and damper positioning means
PCT/US1993/011127 WO1994012774A1 (fr) 1992-11-24 1993-11-12 Pale de rotor comportant des moyens de support de plate-forme et de positionnement d'amortisseurs

Publications (1)

Publication Number Publication Date
DE774049T1 true DE774049T1 (de) 1997-08-28

Family

ID=25527896

Family Applications (2)

Application Number Title Priority Date Filing Date
DE0774049T Pending DE774049T1 (de) 1992-11-24 1993-11-12 Schaufel für einen turbinenrotor und mittel zur positionierung von dämpfelementen
DE69320996T Expired - Lifetime DE69320996T2 (de) 1992-11-24 1993-11-12 Schaufel für einen turbinenrotor und mittel zur positionierung von dämpfelementen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69320996T Expired - Lifetime DE69320996T2 (de) 1992-11-24 1993-11-12 Schaufel für einen turbinenrotor und mittel zur positionierung von dämpfelementen

Country Status (5)

Country Link
US (1) US5284421A (fr)
EP (1) EP0774049B1 (fr)
JP (1) JP3352690B2 (fr)
DE (2) DE774049T1 (fr)
WO (1) WO1994012774A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5415526A (en) * 1993-11-19 1995-05-16 Mercadante; Anthony J. Coolable rotor assembly
FR2726323B1 (fr) * 1994-10-26 1996-12-13 Snecma Ensemble d'un disque rotatif et d'aubes, notamment utilise dans une turbomachine
US5573375A (en) * 1994-12-14 1996-11-12 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
US5827047A (en) * 1996-06-27 1998-10-27 United Technologies Corporation Turbine blade damper and seal
US5628621A (en) * 1996-07-26 1997-05-13 General Electric Company Reinforced compressor rotor coupling
US5803710A (en) * 1996-12-24 1998-09-08 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
US6158962A (en) * 1999-04-30 2000-12-12 General Electric Company Turbine blade with ribbed platform
DE19941134C1 (de) * 1999-08-30 2000-12-28 Mtu Muenchen Gmbh Schaufelkranz für eine Gasturbine
US7097429B2 (en) * 2004-07-13 2006-08-29 General Electric Company Skirted turbine blade
US7467924B2 (en) * 2005-08-16 2008-12-23 United Technologies Corporation Turbine blade including revised platform
US8641368B1 (en) * 2011-01-25 2014-02-04 Florida Turbine Technologies, Inc. Industrial turbine blade with platform cooling
US10287897B2 (en) * 2011-09-08 2019-05-14 General Electric Company Turbine rotor blade assembly and method of assembling same
US8985956B2 (en) 2011-09-19 2015-03-24 General Electric Company Compressive stress system for a gas turbine engine
CN109386310A (zh) 2012-06-30 2019-02-26 通用电气公司 涡轮机叶片密封结构
CN105518255B (zh) * 2013-09-11 2018-06-08 通用电气公司 用于cmc涡轮叶片中的集成式平台和阻尼器固持结构的层片架构
EP2881544A1 (fr) 2013-12-09 2015-06-10 Siemens Aktiengesellschaft Profilé d'aube de turbine à gaz et agencement associé
US10533445B2 (en) * 2016-08-23 2020-01-14 United Technologies Corporation Rim seal for gas turbine engine
EP3438410B1 (fr) 2017-08-01 2021-09-29 General Electric Company Système d'étanchéité pour machine rotative
WO2019109234A1 (fr) * 2017-12-05 2019-06-13 贵州智慧能源科技有限公司 Structure de turbine et élément d'amortissement correspondant pour réduire les vibrations de la turbine
CN107780973A (zh) * 2017-12-05 2018-03-09 贵州智慧能源科技有限公司 涡轮结构及其涡轮减振阻尼片
FR3105293B1 (fr) * 2019-12-19 2022-08-05 Safran Aircraft Engines Aube de rotor pour une turbomachine d’aeronef

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666376A (en) * 1971-01-05 1972-05-30 United Aircraft Corp Turbine blade damper
US3887298A (en) * 1974-05-30 1975-06-03 United Aircraft Corp Apparatus for sealing turbine blade damper cavities
US4101245A (en) * 1976-12-27 1978-07-18 United Technologies Corporation Interblade damper and seal for turbomachinery rotor
US4182598A (en) * 1977-08-29 1980-01-08 United Technologies Corporation Turbine blade damper
FR2503247B1 (fr) * 1981-04-07 1985-06-14 Snecma Perfectionnements aux etages de turbine a gaz de turboreacteurs munis de moyens de refroidissement par air du disque de la roue de la turbine
US4455122A (en) * 1981-12-14 1984-06-19 United Technologies Corporation Blade to blade vibration damper
GB2223277B (en) * 1988-09-30 1992-08-12 Rolls Royce Plc Aerofoil blade damping
US5228835A (en) * 1992-11-24 1993-07-20 United Technologies Corporation Gas turbine blade seal

Also Published As

Publication number Publication date
DE69320996T2 (de) 1999-05-12
DE69320996D1 (de) 1998-10-15
JPH08504015A (ja) 1996-04-30
US5284421A (en) 1994-02-08
EP0774049A1 (fr) 1997-05-21
WO1994012774A1 (fr) 1994-06-09
JP3352690B2 (ja) 2002-12-03
EP0774049B1 (fr) 1998-09-09

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